25796770414440 has 64 divisors (see below), whose sum is σ = 77394112416000. Its totient is φ = 6878800895232.

The previous prime is 25796770414439. The next prime is 25796770414477. The reversal of 25796770414440 is 4441407769752.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821327 + ... + 7717086.

It is an arithmetic number, because the mean of its divisors is an integer number (1209283006500).

Almost surely, 2^{25796770414440} is an apocalyptic number.

25796770414440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25796770414440 is an abundant number, since it is smaller than the sum of its proper divisors (51597342001560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25796770414440 is a wasteful number, since it uses less digits than its factorization.

25796770414440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10558826 (or 10558822 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 25796770414440 in words is "twenty-five trillion, seven hundred ninety-six billion, seven hundred seventy million, four hundred fourteen thousand, four hundred forty".